GroupDesign: Shared Editing in a Heterogeneous Environment

This article describes GroupDesign, a multi-user drawing tool that runs in a heterogeneous environment (anetwork of Apple Macintosh computers and Unix workstations). From the perspective of the users, wepresent a number of functionalities that we have developed for supporting the collaborative aspect of workand the new user interfaces issues raised by the shared editing of a document: Graphic & Audio Echo,Localization, Identification, Age, History, Teleconference and Private Editing. From...